-er c-- ccc cce cco ccr cct ccu ccx ce- cec cee ceo cer cet ceu cex co- coc coe coo cor cot cou cox crc cre cro crr crt cru crx ctc cte cto ctr ctt ctu ctx cuc cue cuo cur cut cuu cxc cxo cxr cxt cxx ec- ecc ece eco ecr ect ecu ecx eec eee eeo eer eet eex eo- eoc eoe eoo eor eot eou erc ere ero err ert eru etc ete eto etr ett etu etx eu- euc eue eur eut eux ex- exc exe exo exr ext exu exx oc- occ oco ocr oct ocu ocx oec oee oeo oer oet oex oo- ooc ooo oor oot oox or- orc ore oro orr ort oru orx ot- otc ote oto otr ott otu ou- ouc oue ouo our out ox- oxc oxo oxt oxx rcc rce rco rcr rct rcu rcx re- rec ree reo rer ret reu rex roc roe roo ror rot rou rox rrc rrr rrt rru rtc rte rto rtr rtt rtu rtx ruc rue ruo rur rut ruu rux rxr t-x tcc tce tco tcr tct tcu tcx te- tec tee teo ter tet teu tex to- toc toe too tor tot tou tox trc tre tro trr trt tru trx ttc tte tto ttr ttt ttu ttx tuc tue tuo tur tut tuu tux txe txt txu ucc uce uco ucr uct ucu uec uee uer uet uoc uoe uoo uor uot uox ur- urc ure uro urr urt uru urx utc ute uto utr utt utu utx uuc uue uur uut uuu uxc uxo uxr uxt uxu xcr xcx xee xer xet xeu xex xoc xoo xor xot xox xrc xrt xrx xtc xtr xtx xue xxo xxx

cccc cccu ccee ccoc ccrc ccre ccrt cctc cctt ccuc ccut cec- cece ceco cect ceec ceor ceou cer- cerc cere cero cert cet- cete ceto ceux cexe coce coco coct cocu coex coot cor- corc core coro corr cort cotc cote coto cott cotu coue cour cout coux coxe crcc crce crcr cre- crec cree creo cret creu crex croc croe croo cror crot crrt crtc crue crut crux ctec ctor ctot ctrc cucc cuce cuer cure curo curr curt cut- cutc cute cuto cutt cxro cxxx eccc ecce ecco ecct eco- ecot ecou ecrc ecrr ecru ect- ectc ecto eeee eeoc eerc eero eetc eete eetu eext eore eotc eoto eoux er-x ercc erce erec erer eret eroc eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etox etre etro ette etto ettu etux euer eur- eurc eure euro eurt exco exec exer exo- exor exrx exte extr o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere oocr ooer oooo oore oort orce orco ore- orec oreo orer orex oro- oroe oror orot orro ortc orte orto otee oter oto- otoe otoo otor otre otro otte otto ottu otur oucc ouer our- oure ouro ourt out- oute outo ouu- oxer oxo- oxox oxxo rccc rcet rctc recc rece recr rect recu reet reot reou rere rero rert reru rete reto retr rett reue reut reuu reux rexx rocc roce roco roer roet roor root roox rorc rore roro rort roru rotc rote roto rotr rott roue rout roux roxo rrrr rtcc rtce rtee rtex ruce ruct ruer ruet rurc rure ruro ruru rute ruto rutt rutu tccc tccu tctc teco tecr tect teec teer teet teor ter- terc tere tero terr teru tete teto tetr tett tetu tetx teut text toce toco toee toer toet toor toot torc tore toro torr tort toru torx totc tote toto totr tott tour tout tox- toxo toxt trcc tre- trec tree treo tret treu trex troc troe troo trot trou trox trtc trte trtr truc true trut truu trux tteo tter ttoe tttt tucc tuco tuer tuet tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo txtr ucrc ucut uext uocc uor- uore ure- uret urex uro- uroo urox urre urte urur urut utec uter utor utto uttu uuoc uuuu uxor uxue xeer xer- xero xert xexe xoco xoro xote xout xoxo xtro xuxu xxxo xxxx

-tree c-cor c-tec ccccc ccett ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette co-co cocc- cocce cocco coceo cocto cocur coete coeur cooee cooer coore coote corce core- coree corer coreu corex coro- corot corre corte corto coter cott- cotte cotto cottu couco couer coure court couru couto coutu crece creer creo- creot crete cretu creu- creue creux croce croco crooe croot crore crote crott crout cruce cruet cruex cruor crure ctree cttee cuero cueto cuoco cuore curce curer curet curre curro curto cutco cutcu cutee cuter cutex cutro cutto ecto- ector ectot eeeee eorre erect erere eroor erore eroto error errtu erte erter eruct etete etext etoro etour etree etter eturu eucre eurex euro- eurre excur exect execx exert exore exort exout exter extre extro extue exute occur ocoee ocote ocree octet octo- octor oeco- oo-er oocre ooooo orcet oreco oreo- orere orero orexo oroco oroer orout oroux orret orter ortet ortoo oruce oruro orutu otere otero otoce ototo otour otter ottur oture ouert ouoro ource oure- outer outre outro outto oxter r-co- recce recco recet rect- recte recto recue recur recut reece reere reorx rere- reree reret retee reter retex retox retro rette retto reuer reuet reute rexer ro-ro rocco rocor rocou roero roeux rooer roore roote rooue rorer roter roto- rotor rotot rotox rotte rotto rouer rouet roure route routt rtext rucer ruere ruete rurec ruter rutte ruutu t-rex tecou teoco terce terco teret tereu terex teror terre terro tert- teruo teter tetex tetr- tetro tette teuto texor texte tocco toco- tocut toece toerr toeto toore torce toreo toret torre torro torte torto tortu torue torxe toter totex toto- totoe totoo totte toure touro toute toxo- treco treer treet trere trete trett